<template>
    <div class="progress-circle">
        <svg :width="radius" :height="radius" viewBox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg">
            <circle class="progress-background" r="50" cx="50" cy="50" fill="transparent"/>
            <circle class="progress-bar" r="50" cx="50" cy="50" fill="transparent" :stroke-dashoffset="dashOffset"
                    :stroke-dasharray="dashArray"/>
        </svg>
        <slot></slot>
    </div>
</template>

<script type="text/ecmascript-6">
  export default {
    props: {
      radius: {
        type: Number,
        default: 100
      },
      percent: {
        type: Number,
        default: 0
      }
    },
    data() {
      return {
        dashArray: Math.PI * 100
      }
    },
    computed: {
      dashOffset() {
        return (1 - this.percent) * this.dashArray
      }
    }
  }
</script>


<style scoped lang="stylus" rel="stylesheet/stylus">
    @import "~common/stylus/variable"

    .progress-circle
        position: relative
        circle
            stroke-width: 8px
            transform-origin: center
            &.progress-background
                transform: scale(0.9)
                stroke: $color-theme-d
            &.progress-bar
                transform: scale(0.9) rotate(-90deg)
                stroke: $color-theme
</style>